Diagrams; Block Diagram - Audio Section - Sony MV-65ST Service Manual

MV-65ST
SECTION 6

DIAGRAMS

6-1. BLOCK DIAGRAM – AUDIO Section –
J301 (1/2)
VIDEO
INPUT DIFFERENTIAL
L AMP
IC301
AUDIO
R-CH
R
OPTICAL
OPTICAL
TRANSCEIVER
OUTPUT
J302
DVD MECHANISM
DECK BLOCK
SPDIF
CVBS
AUDIO-DL
AUDIO-DR R-CH
+8V B+8V
+5V B+5V
+3.3V U-COM +3.3V
15 16 17 18 33
BUFFER AMP
IC305
MUTING
Q102
VIDEO/AUDIO SELECT
IC302
(US, Canadian, Mexican)
3 VIN1
VOUT2 15
8 LIN1
LOUT2 11 22 LIN
R-CH
VOUT1 14
1 VIN2
LOUT1 10
7 LIN2
2 9
ELECTRICAL VOLUME
IC303
8 LIN1 LOUT1 7
4 5
R-CH
63 7 6
SYSTEM CONTROLLER
IC401 (1/3)
CVBS
(Page 19)
A
J301 (2/2)
VIDEO
OUTPUT
L
AUDIO
R-CH
R
R-CH
BPF
MPX ADJ 5 9 VTIN RF OUT 11
FL301
1 RIN
BUFFER AMP
7 PD
Q305, 306
FM STEREO
TRANSMITTER
IC306
17 16 15 18
14 13
X301
LEVEL SHIFT
7.6MHz
Q307 – 310
L/R INVERSE
IC304
BUFFER
1 IN1 OUT1 2
Q201
3 IN2 OUT2 4
8 IN3 OUT3 9 R-CH
11 IN4 OUT4 10
13 5 6 12
Q301
L/R INVERSE
SWITCH
Q302
D303
D309
(US, Canadian, Mexican)
54 4 3 5
18 18
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: DVD (VIDEO)
: DVD (AUDIO)
: DIGITAL OUT
: INPUT (VIDEO)
: INPUT (AUDIO)
CN304
TRANSMIT
POWER AMP
IC371
R-CH
MUTING
STANDBY
Q171
SWITCH
Q371, 372
R-CH
MUTING MUTING
SWITCH CONTROL
Q315 Q313, 314
POWER ON
MUTING
Q316, 317
POWER ON
53 64
SP1
(L)
SP2
(R)
J371
2
HEADPHONE
J372
1
(Page 20)
B
UD
C
(Page 19)